Science / Weather / Humboldt Current: Also known as the Peru Current, this ocean current flows northward along the western side of South America, offshore Chile and Peru. There is considerable upwelling of the colder subsurface waters due MORE

Science / Marine Biology / El NiÃ±o-Southern Oscillation (ENSO): Condition in which warm surface water moves into the eastern Pacific, collapsing upwelling and increasing surface-water temperatures and precipitation along the west coast of North and South America MORE